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Real Estate and Intangible Assets - Fair Value of Acquired Assets and Liabilities Assumed Related to Properties Acquired (Detail) (2015 New Real Estate Activity [Member], USD $) | Mar. 31, 2015
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Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | $ 20,821,405 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
In-place Leases [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 300,877 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_MajorPropertyClassAxis = land_InPlaceLeasesMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Espinosa Road [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 16,906,125 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_RealEstatePropertiesAxis = land_EspinosaRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Espinosa Road [Member] | In-place Leases [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 246,472 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_MajorPropertyClassAxis = land_InPlaceLeasesMember / us-gaap_RealEstatePropertiesAxis = land_EspinosaRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Parrish Road [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 3,915,280 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_RealEstatePropertiesAxis = land_ParrishRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Parrish Road [Member] | In-place Leases [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 54,405 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_MajorPropertyClassAxis = land_InPlaceLeasesMember / us-gaap_RealEstatePropertiesAxis = land_ParrishRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Irrigation System [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 1,797,252 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = land_IrrigationSystemMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Irrigation System [Member] | Espinosa Road [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 497,401 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = land_IrrigationSystemMember / us-gaap_RealEstatePropertiesAxis = land_EspinosaRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Irrigation System [Member] | Parrish Road [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 1,299,851 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = land_IrrigationSystemMember / us-gaap_RealEstatePropertiesAxis = land_ParrishRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Leasing Costs [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 123,968 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = land_LeasingCostsMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Leasing Costs [Member] | Espinosa Road [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 44,519 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = land_LeasingCostsMember / us-gaap_RealEstatePropertiesAxis = land_EspinosaRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Leasing Costs [Member] | Parrish Road [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 79,449 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = land_LeasingCostsMember / us-gaap_RealEstatePropertiesAxis = land_ParrishRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Customer Relationships [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 216,681 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Customer Relationships [Member] | Espinosa Road [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 180,789 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember / us-gaap_RealEstatePropertiesAxis = land_EspinosaRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Customer Relationships [Member] | Parrish Road [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 35,892 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember / us-gaap_RealEstatePropertiesAxis = land_ParrishRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Land and Land Improvements [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 18,255,530 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandAndLandImprovementsMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Land and Land Improvements [Member] | Espinosa Road [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 15,852,466 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandAndLandImprovementsMember / us-gaap_RealEstatePropertiesAxis = land_EspinosaRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Land and Land Improvements [Member] | Parrish Road [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 2,403,064 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandAndLandImprovementsMember / us-gaap_RealEstatePropertiesAxis = land_ParrishRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Buildings and Improvements [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 127,097 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingAndBuildingImprovementsMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Buildings and Improvements [Member] | Espinosa Road [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | 84,478 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingAndBuildingImprovementsMember / us-gaap_RealEstatePropertiesAxis = land_EspinosaRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember
Buildings and Improvements [Member] | Parrish Road [Member] |
Business Acquisition Purchase Price Allocation [Line Items] |
Total Acquisition Cost | $ 42,619 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingAndBuildingImprovementsMember / us-gaap_RealEstatePropertiesAxis = land_ParrishRoadMember / us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis = land_TwoThousandFifteenNewRealEstateActivityMember

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- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464 + Details
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